commit d59bcc1c67be40e9176e08f05d64ce71dabe4c4a
parent 120c63bcaa15bcee927f22157f799b8795851c8f
Author: vin <git@vineetk.net>
Date: Fri, 30 May 2025 21:20:25 -0400
able to know when clients are un/registered
Diffstat:
| A | main.c | | | 43 | +++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 43 insertions(+), 0 deletions(-)
diff --git a/main.c b/main.c
@@ -0,0 +1,43 @@
+#include <jack/jack.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void
+registration_cb(jack_port_id_t port_id, int is_registered, void *arg)
+{
+ jack_client_t *client = (jack_client_t *)arg;
+ jack_port_t *port = jack_port_by_id(client, port_id);
+ const char *port_name = jack_port_name(port);
+
+ if (is_registered) {
+ printf("%s registered\n", port_name);
+ } else {
+ printf("%s unregistered\n", port_name);
+ }
+}
+
+int
+main(void)
+{
+ jack_client_t *client;
+
+ client = jack_client_open("jack_connectd", JackNullOption, NULL);
+ if (client == NULL) {
+ fprintf(stderr, "Failed to connect to JACK server.\n");
+ return 1;
+ }
+
+ /* client is passed as arg so it can be used within cb */
+ jack_set_port_registration_callback(client, registration_cb, client);
+
+ /* start processing callbacks */
+ if (jack_activate(client) != 0) {
+ fprintf(stderr, "Failed to activate JACK client.\n");
+ return 1;
+ }
+
+ /* do nothing else while waiting */
+ for (;;);
+
+ return 0;
+}
